title: Chinese species of the genus Aptesis Förster (Hymenoptera, Ichneumonidae) parasitizing sawflies, with descriptions of three new species and a key to species.
abstract: Six species of the genus Aptesis Förster 1850 belonging to the tribe Hemigastrini of the subfamily Cryptinae (Hymenoptera, Ichneumonidae) are reported from China. Three of them, Aptesis elongata Li & Sheng, sp. n., Aptesis melana Li & Sheng, sp. n. and Aptesis nigricoxa Li & Sheng, sp. n. reared from sawflies in China, are new to science. The biology of Aptesis melana is described. A key to the species of Aptesis known from China is provided.
authors.affiliation: The Key Laboratory for Silviculture and Conservation of Ministry of Education, Beijing Forestry University, Beijing 100083, P. R. China ; General Station of Forest Pest Management, State Forestry Administration, 58 Huanghe North Street, Shenyang 110034, P. R. China.
authors.forename: Tao
authors.initials: T
authors.lastname: Li
authors.forename: Mao-Ling
authors.initials: ML
authors.lastname: Sheng
authors.forename: Shu-Ping
authors.initials: SP
authors.lastname: Sun
keywords: Aptesis; Cryptinae; Diprion jingyuanensis; Diprionidae; Hymenoptera; Neodiprion huizeensis; Pristiphora erichsonii; Tenthredinidae; biology; parasitoid